Install on asuswrt merlin firmware

Entware-ng installer is included into firmware since November 23, 2015.

Run entware-setup.sh to start using Entware-ng.

The older asuswrt-merlin releases (including 378.56_2) can install Entware repo, which can be upgraded to Entware-ng later:

• Install Entware on Asuswrt-merlin,
• Upgrade from Entware or Upgrade from Entware arm.